/*
 * Copyright 2007-2009 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.paoding.rose.web.impl.typeconverter;

import java.util.Collection;
import java.util.Date;


import org.springframework.beans.PropertyEditorRegistrySupport;
import org.springframework.beans.SimpleTypeConverter;
import org.springframework.beans.TypeConverter;
import org.springframework.beans.TypeMismatchException;
import org.springframework.core.MethodParameter;
import org.springframework.util.ClassUtils;

public class PaodingActionsTypeConverter extends PropertyEditorRegistrySupport
		implements TypeConverter {
	private SimpleTypeConverter simpleTypeConverter = new SimpleTypeConverter();

	public PaodingActionsTypeConverter() {
		simpleTypeConverter.registerCustomEditor(Date.class,
				new DatePropertyEditor());
	}

	@SuppressWarnings("unchecked")
	@Override
	public Object convertIfNecessary(Object value, Class requiredType)
			throws TypeMismatchException {
		return convertIfNecessary(value, requiredType, null);
	}

	@SuppressWarnings("unchecked")
	public Object convertIfNecessary(Object value, Class requiredType,
			MethodParameter methodParam) throws TypeMismatchException {
		if (requiredType.isArray()
				|| ClassUtils.isAssignable(Collection.class, requiredType)) {
			if (!value.getClass().isArray()
					&& !ClassUtils.isAssignable(requiredType, value.getClass())) {
				value = value.toString().split(",");
			}
		}
		return simpleTypeConverter.convertIfNecessary(value, requiredType);
	}
}
